# deadends.dev > deadends.dev, an MCP server by deadends.dev, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Structured failure knowledge for AI agents — dead ends, workarounds, error chains - Canonical: https://www.anchorterminal.com/tools/deadends-dev - Markdown: https://www.anchorterminal.com/tools/deadends-dev.md (~450 tokens) - Slim: https://www.anchorterminal.com/tools/deadends-dev.min.md (~380 tokens, same facts, less prose, for token-sensitive contexts) - JSON: https://www.anchorterminal.com/tools/deadends-dev.json (this page as data, same URL with Accept: application/json) - Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt) - API: https://www.anchorterminal.com/api/v1/index.json - Updated: 2026-10-09 # deadends.dev > Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/ - Kind: MCP server, by deadends.dev (https://deadends.dev) - Listed because: It's published in the registry under deadends.dev, a namespace the registry only gives to whoever proves they control that domain. - What the official MCP registry says: Structured failure knowledge for AI agents — dead ends, workarounds, error chains ## Facts - MCP registry: `dev.deadends/deadends-dev` 0.9.0 - Endpoint: https://deadends.dev/mcp (streamable HTTP) - Package: pypi `deadends-dev` (stdio) - Source: https://github.com/dbwls99706/deadends.dev - Website: https://deadends.dev - PyPI downloads a week: 37 - GitHub stars: 0 - Registry entry updated: 2026-08-13 - JSON: https://www.anchorterminal.com/api/v1/tools/deadends-dev.json - Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming